Inventor · Chadds Ford, PA, US

James McAndrew

26Patents
12h-index
22Co-inventors
81Inventor score

Filing activity: Mar 27, 1992 → Aug 16, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5963336A Chamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of use Physics 52 Expired
US6154284A Chamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of use Physics 33 Expired
US6421127B1 Method and system for preventing deposition on an optical component in a spectroscopic sensor Physics 32 Expired
US5880850A Method and system for sensitive detection of molecular species in a vacuum by harmonic detection spectroscopy Physics 29 Expired
US5818578A Polygonal planar multipass cell, system and apparatus including same, and method of use Physics 29 Expired
US6188475A In-line cell for absorption spectroscopy Physics 27 Expired
US5991696A Method for intelligent data acquisition in a measurement system Physics 23 Expired
US5261452A Critical orifice dilution system and method Emerging Cross-Sectional Technologies 19 Expired
US5949537A In-line cell for absorption spectroscopy Physics 17 Expired
US6493086B1 Chamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of use Physics 15 Expired
US5835230A Method for calibration of a spectroscopic sensor Physics 15 Expired
US6442736B1 Semiconductor processing system and method for controlling moisture level therein Physics 13 Expired
US5742399A Method for stabilizing the wavelength in a laser spectrometer system Physics 8 Expired
US6341521B1 Process and device for measuring the amount of impurities in a gas sample to be analyzed Physics 7 Expired
US6084668A In-line cell for absorption spectroscopy Physics 5 Expired
US5351120A Spectroscopic cell design Physics 4 Expired
US5714678A Method for rapidly determining an impurity level in a gas source or a gas distribution system Physics 4 Expired
US9618203B2 Method and system for heat recovery from products of combustion and charge heating installation including the same Emerging Cross-Sectional Technologies 3 Active
US6885452B2 Chamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of use Physics 3 Expired
US6499502B1 Method and device for filling a distribution line with corrosive gas Emerging Cross-Sectional Technologies 3 Expired
US8298965B2 Volatile precursors for deposition of C-linked SiCOH dielectrics Electricity 2 Active
US8932674B2 Vapor deposition methods of SiCOH low-k films Electricity 2 Active
US11280491B2 Furnace with integrated heat recovery utilizing radiative recuperator for preheating combustion reactants using heat from flue gas Emerging Cross-Sectional Technologies 0 Active
US8999734B2 Cyclic amino compounds for low-k silylation Electricity 0 Active
US10465904B2 Furnace with integrated heat recovery utilizing radiative recuperator for preheating combustion reactants using heat from flue gas Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.